DESCRIPTION The main body ECU (multiplex network body ECU) detects a high beam headlight illumination request signal of the automatic high beam system from the forward recognition camera.
WIRING DIAGRAM ![]() PROCEDURE
(a) Check the forward recognition camera system. Click here
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Toyota Tundra Service Manual > Windshield Deicer System: Parts Location
PARTS LOCATION ILLUSTRATION *A for Automatic Air Conditioning System *B for Manual Air Conditioning System *1 WINDSHIELD GLASS - WINDSHIELD DEICER WIRE *2 ENGINE ROOM RELAY BLOCK, JUNCTION BLOCK - WINDSHIELD DEICER RELAY ASSEMBLY (DEICER) - DEICER FUSE *3 DRIVER SIDE JUNCTION BLOCK ASSEMBLY - ECU-IG ...